1 // SPDX-License-Identifier: GPL-2.0 OR MIT
2 /*
3  * Copyright 2014-2024 Advanced Micro Devices, Inc. All rights reserved.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be included in
13  * all copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21  * OTHER DEALINGS IN THE SOFTWARE.
22  */
23 
24 #include "amdgpu.h"
25 #include "amdgpu_jpeg.h"
26 #include "amdgpu_pm.h"
27 #include "soc15.h"
28 #include "soc15d.h"
29 #include "jpeg_v4_0_3.h"
30 #include "jpeg_v5_0_1.h"
31 
32 #include "vcn/vcn_5_0_0_offset.h"
33 #include "vcn/vcn_5_0_0_sh_mask.h"
34 #include "ivsrcid/vcn/irqsrcs_vcn_5_0.h"
35 
36 static void jpeg_v5_0_1_set_dec_ring_funcs(struct amdgpu_device *adev);
37 static void jpeg_v5_0_1_set_irq_funcs(struct amdgpu_device *adev);
38 static int jpeg_v5_0_1_set_powergating_state(struct amdgpu_ip_block *ip_block,
39 					     enum amd_powergating_state state);
40 static void jpeg_v5_0_1_dec_ring_set_wptr(struct amdgpu_ring *ring);
41 
42 static int amdgpu_ih_srcid_jpeg[] = {
43 	VCN_5_0__SRCID__JPEG_DECODE,
44 	VCN_5_0__SRCID__JPEG1_DECODE,
45 	VCN_5_0__SRCID__JPEG2_DECODE,
46 	VCN_5_0__SRCID__JPEG3_DECODE,
47 	VCN_5_0__SRCID__JPEG4_DECODE,
48 	VCN_5_0__SRCID__JPEG5_DECODE,
49 	VCN_5_0__SRCID__JPEG6_DECODE,
50 	VCN_5_0__SRCID__JPEG7_DECODE,
51 	VCN_5_0__SRCID__JPEG8_DECODE,
52 	VCN_5_0__SRCID__JPEG9_DECODE,
53 };
54 
55 static const struct amdgpu_hwip_reg_entry jpeg_reg_list_5_0_1[] = {
56 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JPEG_POWER_STATUS),
57 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JPEG_INT_STAT),
58 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JRBC0_UVD_JRBC_RB_RPTR),
59 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JRBC0_UVD_JRBC_RB_WPTR),
60 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JRBC0_UVD_JRBC_STATUS),
61 	SOC15_REG_ENTRY_STR(JPEG, 0, regJPEG_DEC_ADDR_MODE),
62 	SOC15_REG_ENTRY_STR(JPEG, 0, regJPEG_DEC_GFX10_ADDR_CONFIG),
63 	SOC15_REG_ENTRY_STR(JPEG, 0, regJPEG_DEC_Y_GFX10_TILING_SURFACE),
64 	SOC15_REG_ENTRY_STR(JPEG, 0, regJPEG_DEC_UV_GFX10_TILING_SURFACE),
65 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JPEG_PITCH),
66 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JPEG_UV_PITCH),
67 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JRBC1_UVD_JRBC_RB_RPTR),
68 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JRBC1_UVD_JRBC_RB_WPTR),
69 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JRBC1_UVD_JRBC_STATUS),
70 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JRBC2_UVD_JRBC_RB_RPTR),
71 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JRBC2_UVD_JRBC_RB_WPTR),
72 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JRBC2_UVD_JRBC_STATUS),
73 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JRBC3_UVD_JRBC_RB_RPTR),
74 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JRBC3_UVD_JRBC_RB_WPTR),
75 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JRBC3_UVD_JRBC_STATUS),
76 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JRBC4_UVD_JRBC_RB_RPTR),
77 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JRBC4_UVD_JRBC_RB_WPTR),
78 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JRBC4_UVD_JRBC_STATUS),
79 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JRBC5_UVD_JRBC_RB_RPTR),
80 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JRBC5_UVD_JRBC_RB_WPTR),
81 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JRBC5_UVD_JRBC_STATUS),
82 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JRBC6_UVD_JRBC_RB_RPTR),
83 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JRBC6_UVD_JRBC_RB_WPTR),
84 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JRBC6_UVD_JRBC_STATUS),
85 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JRBC7_UVD_JRBC_RB_RPTR),
86 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JRBC7_UVD_JRBC_RB_WPTR),
87 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JRBC7_UVD_JRBC_STATUS),
88 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JRBC8_UVD_JRBC_RB_RPTR),
89 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JRBC8_UVD_JRBC_RB_WPTR),
90 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JRBC8_UVD_JRBC_STATUS),
91 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JRBC9_UVD_JRBC_RB_RPTR),
92 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JRBC9_UVD_JRBC_RB_WPTR),
93 	SOC15_REG_ENTRY_STR(JPEG, 0, regUVD_JRBC9_UVD_JRBC_STATUS),
94 };
95 
96 static int jpeg_v5_0_1_core_reg_offset(u32 pipe)
97 {
98 	if (pipe <= AMDGPU_MAX_JPEG_RINGS_4_0_3)
99 		return ((0x40 * pipe) - 0xc80);
100 	else
101 		return ((0x40 * pipe) - 0x440);
102 }
103 
104 /**
105  * jpeg_v5_0_1_early_init - set function pointers
106  *
107  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
108  *
109  * Set ring and irq function pointers
110  */
111 static int jpeg_v5_0_1_early_init(struct amdgpu_ip_block *ip_block)
112 {
113 	struct amdgpu_device *adev = ip_block->adev;
114 
115 	if (!adev->jpeg.num_jpeg_inst || adev->jpeg.num_jpeg_inst > AMDGPU_MAX_JPEG_INSTANCES)
116 		return -ENOENT;
117 
118 	adev->jpeg.num_jpeg_rings = AMDGPU_MAX_JPEG_RINGS;
119 	jpeg_v5_0_1_set_dec_ring_funcs(adev);
120 	jpeg_v5_0_1_set_irq_funcs(adev);
121 
122 	return 0;
123 }
124 
125 /**
126  * jpeg_v5_0_1_sw_init - sw init for JPEG block
127  *
128  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
129  *
130  * Load firmware and sw initialization
131  */
132 static int jpeg_v5_0_1_sw_init(struct amdgpu_ip_block *ip_block)
133 {
134 	struct amdgpu_device *adev = ip_block->adev;
135 	struct amdgpu_ring *ring;
136 	int i, j, r, jpeg_inst;
137 
138 	for (j = 0; j < adev->jpeg.num_jpeg_rings; ++j) {
139 		/* JPEG TRAP */
140 		r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN,
141 				      amdgpu_ih_srcid_jpeg[j], &adev->jpeg.inst->irq);
142 		if (r)
143 			return r;
144 	}
145 
146 	r = amdgpu_jpeg_sw_init(adev);
147 	if (r)
148 		return r;
149 
150 	r = amdgpu_jpeg_resume(adev);
151 	if (r)
152 		return r;
153 
154 	for (i = 0; i < adev->jpeg.num_jpeg_inst; ++i) {
155 		jpeg_inst = GET_INST(JPEG, i);
156 
157 		for (j = 0; j < adev->jpeg.num_jpeg_rings; ++j) {
158 			ring = &adev->jpeg.inst[i].ring_dec[j];
159 			ring->use_doorbell = false;
160 			ring->vm_hub = AMDGPU_MMHUB0(adev->jpeg.inst[i].aid_id);
161 			if (!amdgpu_sriov_vf(adev)) {
162 				ring->doorbell_index =
163 					(adev->doorbell_index.vcn.vcn_ring0_1 << 1) +
164 					1 + j + 11 * jpeg_inst;
165 			} else {
166 				if (j < 4)
167 					ring->doorbell_index =
168 						(adev->doorbell_index.vcn.vcn_ring0_1 << 1) +
169 						4 + j + 32 * jpeg_inst;
170 				else
171 					ring->doorbell_index =
172 						(adev->doorbell_index.vcn.vcn_ring0_1 << 1) +
173 						8 + j + 32 * jpeg_inst;
174 			}
175 			sprintf(ring->name, "jpeg_dec_%d.%d", adev->jpeg.inst[i].aid_id, j);
176 			r = amdgpu_ring_init(adev, ring, 512, &adev->jpeg.inst->irq, 0,
177 					     AMDGPU_RING_PRIO_DEFAULT, NULL);
178 			if (r)
179 				return r;
180 
181 			adev->jpeg.internal.jpeg_pitch[j] =
182 				regUVD_JRBC0_UVD_JRBC_SCRATCH0_INTERNAL_OFFSET;
183 			adev->jpeg.inst[i].external.jpeg_pitch[j] =
184 				SOC15_REG_OFFSET1(JPEG, jpeg_inst, regUVD_JRBC_SCRATCH0,
185 						  (j ? jpeg_v5_0_1_core_reg_offset(j) : 0));
186 		}
187 	}
188 
189 	r = amdgpu_jpeg_reg_dump_init(adev, jpeg_reg_list_5_0_1, ARRAY_SIZE(jpeg_reg_list_5_0_1));
190 	if (r)
191 		return r;
192 
193 	if (!amdgpu_sriov_vf(adev)) {
194 		adev->jpeg.supported_reset = AMDGPU_RESET_TYPE_PER_QUEUE;
195 		r = amdgpu_jpeg_sysfs_reset_mask_init(adev);
196 		if (r)
197 			return r;
198 	}
199 
200 	return 0;
201 }
202 
203 /**
204  * jpeg_v5_0_1_sw_fini - sw fini for JPEG block
205  *
206  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
207  *
208  * JPEG suspend and free up sw allocation
209  */
210 static int jpeg_v5_0_1_sw_fini(struct amdgpu_ip_block *ip_block)
211 {
212 	struct amdgpu_device *adev = ip_block->adev;
213 	int r;
214 
215 	r = amdgpu_jpeg_suspend(adev);
216 	if (r)
217 		return r;
218 
219 	if (!amdgpu_sriov_vf(adev))
220 		amdgpu_jpeg_sysfs_reset_mask_fini(adev);
221 
222 	r = amdgpu_jpeg_sw_fini(adev);
223 
224 	return r;
225 }
226 
227 /**
228  * jpeg_v5_0_1_hw_init - start and test JPEG block
229  *
230  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
231  *
232  */
233 static int jpeg_v5_0_1_hw_init(struct amdgpu_ip_block *ip_block)
234 {
235 	struct amdgpu_device *adev = ip_block->adev;
236 	struct amdgpu_ring *ring;
237 	int i, j, r, jpeg_inst;
238 
239 	if (amdgpu_sriov_vf(adev)) {
240 		/* jpeg_v5_0_1_start_sriov(adev); */
241 		for (i = 0; i < adev->jpeg.num_jpeg_inst; ++i) {
242 			for (j = 0; j < adev->jpeg.num_jpeg_rings; ++j) {
243 				ring = &adev->jpeg.inst[i].ring_dec[j];
244 				ring->wptr = 0;
245 				ring->wptr_old = 0;
246 				jpeg_v5_0_1_dec_ring_set_wptr(ring);
247 				ring->sched.ready = true;
248 			}
249 		}
250 		return 0;
251 	}
252 	for (i = 0; i < adev->jpeg.num_jpeg_inst; ++i) {
253 		jpeg_inst = GET_INST(JPEG, i);
254 		ring = adev->jpeg.inst[i].ring_dec;
255 		if (ring->use_doorbell)
256 			adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
257 				 (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 11 * jpeg_inst,
258 				 adev->jpeg.inst[i].aid_id);
259 
260 		for (j = 0; j < adev->jpeg.num_jpeg_rings; ++j) {
261 			ring = &adev->jpeg.inst[i].ring_dec[j];
262 			if (ring->use_doorbell)
263 				WREG32_SOC15_OFFSET(VCN, GET_INST(VCN, i), regVCN_JPEG_DB_CTRL,
264 						    (ring->pipe ? (ring->pipe - 0x15) : 0),
265 						    ring->doorbell_index <<
266 						    VCN_JPEG_DB_CTRL__OFFSET__SHIFT |
267 						    VCN_JPEG_DB_CTRL__EN_MASK);
268 			r = amdgpu_ring_test_helper(ring);
269 			if (r)
270 				return r;
271 		}
272 	}
273 
274 	return 0;
275 }
276 
277 /**
278  * jpeg_v5_0_1_hw_fini - stop the hardware block
279  *
280  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
281  *
282  * Stop the JPEG block, mark ring as not ready any more
283  */
284 static int jpeg_v5_0_1_hw_fini(struct amdgpu_ip_block *ip_block)
285 {
286 	struct amdgpu_device *adev = ip_block->adev;
287 	int ret = 0;
288 
289 	cancel_delayed_work_sync(&adev->jpeg.idle_work);
290 
291 	if (adev->jpeg.cur_state != AMD_PG_STATE_GATE)
292 		ret = jpeg_v5_0_1_set_powergating_state(ip_block, AMD_PG_STATE_GATE);
293 
294 	return ret;
295 }
296 
297 /**
298  * jpeg_v5_0_1_suspend - suspend JPEG block
299  *
300  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
301  *
302  * HW fini and suspend JPEG block
303  */
304 static int jpeg_v5_0_1_suspend(struct amdgpu_ip_block *ip_block)
305 {
306 	struct amdgpu_device *adev = ip_block->adev;
307 	int r;
308 
309 	r = jpeg_v5_0_1_hw_fini(ip_block);
310 	if (r)
311 		return r;
312 
313 	r = amdgpu_jpeg_suspend(adev);
314 
315 	return r;
316 }
317 
318 /**
319  * jpeg_v5_0_1_resume - resume JPEG block
320  *
321  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
322  *
323  * Resume firmware and hw init JPEG block
324  */
325 static int jpeg_v5_0_1_resume(struct amdgpu_ip_block *ip_block)
326 {
327 	struct amdgpu_device *adev = ip_block->adev;
328 	int r;
329 
330 	r = amdgpu_jpeg_resume(adev);
331 	if (r)
332 		return r;
333 
334 	r = jpeg_v5_0_1_hw_init(ip_block);
335 
336 	return r;
337 }
338 
339 static void jpeg_v5_0_1_init_inst(struct amdgpu_device *adev, int i)
340 {
341 	int jpeg_inst = GET_INST(JPEG, i);
342 
343 	/* disable anti hang mechanism */
344 	WREG32_P(SOC15_REG_OFFSET(JPEG, jpeg_inst, regUVD_JPEG_POWER_STATUS), 0,
345 		 ~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK);
346 
347 	/* keep the JPEG in static PG mode */
348 	WREG32_P(SOC15_REG_OFFSET(JPEG, jpeg_inst, regUVD_JPEG_POWER_STATUS), 0,
349 		 ~UVD_JPEG_POWER_STATUS__JPEG_PG_MODE_MASK);
350 
351 	/* MJPEG global tiling registers */
352 	WREG32_SOC15(JPEG, 0, regJPEG_DEC_GFX10_ADDR_CONFIG,
353 		     adev->gfx.config.gb_addr_config);
354 
355 	/* enable JMI channel */
356 	WREG32_P(SOC15_REG_OFFSET(JPEG, jpeg_inst, regUVD_JMI_CNTL), 0,
357 		 ~UVD_JMI_CNTL__SOFT_RESET_MASK);
358 }
359 
360 static void jpeg_v5_0_1_deinit_inst(struct amdgpu_device *adev, int i)
361 {
362 	int jpeg_inst = GET_INST(JPEG, i);
363 	/* reset JMI */
364 	WREG32_P(SOC15_REG_OFFSET(JPEG, jpeg_inst, regUVD_JMI_CNTL),
365 		 UVD_JMI_CNTL__SOFT_RESET_MASK,
366 		 ~UVD_JMI_CNTL__SOFT_RESET_MASK);
367 
368 	/* enable anti hang mechanism */
369 	WREG32_P(SOC15_REG_OFFSET(JPEG, jpeg_inst, regUVD_JPEG_POWER_STATUS),
370 		 UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK,
371 		 ~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK);
372 }
373 
374 static void jpeg_v5_0_1_init_jrbc(struct amdgpu_ring *ring)
375 {
376 	struct amdgpu_device *adev = ring->adev;
377 	u32 reg, data, mask;
378 	int jpeg_inst = GET_INST(JPEG, ring->me);
379 	int reg_offset = ring->pipe ? jpeg_v5_0_1_core_reg_offset(ring->pipe) : 0;
380 
381 	/* enable System Interrupt for JRBC */
382 	reg = SOC15_REG_OFFSET(JPEG, jpeg_inst, regJPEG_SYS_INT_EN);
383 	if (ring->pipe < AMDGPU_MAX_JPEG_RINGS_4_0_3) {
384 		data = JPEG_SYS_INT_EN__DJRBC0_MASK << ring->pipe;
385 		mask = ~(JPEG_SYS_INT_EN__DJRBC0_MASK << ring->pipe);
386 		WREG32_P(reg, data, mask);
387 	} else {
388 		data = JPEG_SYS_INT_EN__DJRBC0_MASK << (ring->pipe+12);
389 		mask = ~(JPEG_SYS_INT_EN__DJRBC0_MASK << (ring->pipe+12));
390 		WREG32_P(reg, data, mask);
391 	}
392 
393 	WREG32_SOC15_OFFSET(JPEG, jpeg_inst,
394 			    regUVD_LMI_JRBC_RB_VMID,
395 			    reg_offset, 0);
396 	WREG32_SOC15_OFFSET(JPEG, jpeg_inst,
397 			    regUVD_JRBC_RB_CNTL,
398 			    reg_offset,
399 			    (0x00000001L | 0x00000002L));
400 	WREG32_SOC15_OFFSET(JPEG, jpeg_inst,
401 			    regUVD_LMI_JRBC_RB_64BIT_BAR_LOW,
402 			    reg_offset, lower_32_bits(ring->gpu_addr));
403 	WREG32_SOC15_OFFSET(JPEG, jpeg_inst,
404 			    regUVD_LMI_JRBC_RB_64BIT_BAR_HIGH,
405 			    reg_offset, upper_32_bits(ring->gpu_addr));
406 	WREG32_SOC15_OFFSET(JPEG, jpeg_inst,
407 			    regUVD_JRBC_RB_RPTR,
408 			    reg_offset, 0);
409 	WREG32_SOC15_OFFSET(JPEG, jpeg_inst,
410 			    regUVD_JRBC_RB_WPTR,
411 			    reg_offset, 0);
412 	WREG32_SOC15_OFFSET(JPEG, jpeg_inst,
413 			    regUVD_JRBC_RB_CNTL,
414 			    reg_offset, 0x00000002L);
415 	WREG32_SOC15_OFFSET(JPEG, jpeg_inst,
416 			    regUVD_JRBC_RB_SIZE,
417 			    reg_offset, ring->ring_size / 4);
418 	ring->wptr = RREG32_SOC15_OFFSET(JPEG, jpeg_inst, regUVD_JRBC_RB_WPTR,
419 					 reg_offset);
420 }
421 
422 /**
423  * jpeg_v5_0_1_start - start JPEG block
424  *
425  * @adev: amdgpu_device pointer
426  *
427  * Setup and start the JPEG block
428  */
429 static int jpeg_v5_0_1_start(struct amdgpu_device *adev)
430 {
431 	struct amdgpu_ring *ring;
432 	int i, j;
433 
434 	for (i = 0; i < adev->jpeg.num_jpeg_inst; ++i) {
435 		jpeg_v5_0_1_init_inst(adev, i);
436 		for (j = 0; j < adev->jpeg.num_jpeg_rings; ++j) {
437 			ring = &adev->jpeg.inst[i].ring_dec[j];
438 			jpeg_v5_0_1_init_jrbc(ring);
439 		}
440 	}
441 
442 	return 0;
443 }
444 
445 /**
446  * jpeg_v5_0_1_stop - stop JPEG block
447  *
448  * @adev: amdgpu_device pointer
449  *
450  * stop the JPEG block
451  */
452 static int jpeg_v5_0_1_stop(struct amdgpu_device *adev)
453 {
454 	int i;
455 
456 	for (i = 0; i < adev->jpeg.num_jpeg_inst; ++i)
457 		jpeg_v5_0_1_deinit_inst(adev, i);
458 
459 	return 0;
460 }
461 
462 /**
463  * jpeg_v5_0_1_dec_ring_get_rptr - get read pointer
464  *
465  * @ring: amdgpu_ring pointer
466  *
467  * Returns the current hardware read pointer
468  */
469 static uint64_t jpeg_v5_0_1_dec_ring_get_rptr(struct amdgpu_ring *ring)
470 {
471 	struct amdgpu_device *adev = ring->adev;
472 
473 	return RREG32_SOC15_OFFSET(JPEG, GET_INST(JPEG, ring->me), regUVD_JRBC_RB_RPTR,
474 				   ring->pipe ? jpeg_v5_0_1_core_reg_offset(ring->pipe) : 0);
475 }
476 
477 /**
478  * jpeg_v5_0_1_dec_ring_get_wptr - get write pointer
479  *
480  * @ring: amdgpu_ring pointer
481  *
482  * Returns the current hardware write pointer
483  */
484 static uint64_t jpeg_v5_0_1_dec_ring_get_wptr(struct amdgpu_ring *ring)
485 {
486 	struct amdgpu_device *adev = ring->adev;
487 
488 	if (ring->use_doorbell)
489 		return adev->wb.wb[ring->wptr_offs];
490 
491 	return RREG32_SOC15_OFFSET(JPEG, GET_INST(JPEG, ring->me), regUVD_JRBC_RB_WPTR,
492 				   ring->pipe ? jpeg_v5_0_1_core_reg_offset(ring->pipe) : 0);
493 }
494 
495 /**
496  * jpeg_v5_0_1_dec_ring_set_wptr - set write pointer
497  *
498  * @ring: amdgpu_ring pointer
499  *
500  * Commits the write pointer to the hardware
501  */
502 static void jpeg_v5_0_1_dec_ring_set_wptr(struct amdgpu_ring *ring)
503 {
504 	struct amdgpu_device *adev = ring->adev;
505 
506 	if (ring->use_doorbell) {
507 		adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
508 		WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
509 	} else {
510 		WREG32_SOC15_OFFSET(JPEG, GET_INST(JPEG, ring->me),
511 				    regUVD_JRBC_RB_WPTR,
512 				    (ring->pipe ? jpeg_v5_0_1_core_reg_offset(ring->pipe) : 0),
513 				    lower_32_bits(ring->wptr));
514 	}
515 }
516 
517 static bool jpeg_v5_0_1_is_idle(struct amdgpu_ip_block *ip_block)
518 {
519 	struct amdgpu_device *adev = ip_block->adev;
520 	bool ret = false;
521 	int i, j;
522 
523 	for (i = 0; i < adev->jpeg.num_jpeg_inst; ++i) {
524 		for (j = 0; j < adev->jpeg.num_jpeg_rings; ++j) {
525 			int reg_offset = (j ? jpeg_v5_0_1_core_reg_offset(j) : 0);
526 
527 			ret &= ((RREG32_SOC15_OFFSET(JPEG, GET_INST(JPEG, i),
528 				regUVD_JRBC_STATUS, reg_offset) &
529 				UVD_JRBC_STATUS__RB_JOB_DONE_MASK) ==
530 				UVD_JRBC_STATUS__RB_JOB_DONE_MASK);
531 		}
532 	}
533 
534 	return ret;
535 }
536 
537 static int jpeg_v5_0_1_wait_for_idle(struct amdgpu_ip_block *ip_block)
538 {
539 	struct amdgpu_device *adev = ip_block->adev;
540 	int ret = 0;
541 	int i, j;
542 
543 	for (i = 0; i < adev->jpeg.num_jpeg_inst; ++i) {
544 		for (j = 0; j < adev->jpeg.num_jpeg_rings; ++j) {
545 			int reg_offset = (j ? jpeg_v5_0_1_core_reg_offset(j) : 0);
546 
547 			ret &= SOC15_WAIT_ON_RREG_OFFSET(JPEG, GET_INST(JPEG, i),
548 							 regUVD_JRBC_STATUS, reg_offset,
549 							 UVD_JRBC_STATUS__RB_JOB_DONE_MASK,
550 							 UVD_JRBC_STATUS__RB_JOB_DONE_MASK);
551 		}
552 	}
553 	return ret;
554 }
555 
556 static int jpeg_v5_0_1_set_clockgating_state(struct amdgpu_ip_block *ip_block,
557 					     enum amd_clockgating_state state)
558 {
559 	struct amdgpu_device *adev = ip_block->adev;
560 	bool enable = (state == AMD_CG_STATE_GATE) ? true : false;
561 
562 	int i;
563 
564 	if (!enable)
565 		return 0;
566 
567 	for (i = 0; i < adev->jpeg.num_jpeg_inst; ++i) {
568 		if (!jpeg_v5_0_1_is_idle(ip_block))
569 			return -EBUSY;
570 	}
571 
572 	return 0;
573 }
574 
575 static int jpeg_v5_0_1_set_powergating_state(struct amdgpu_ip_block *ip_block,
576 					     enum amd_powergating_state state)
577 {
578 	struct amdgpu_device *adev = ip_block->adev;
579 	int ret;
580 
581 	if (state == adev->jpeg.cur_state)
582 		return 0;
583 
584 	if (state == AMD_PG_STATE_GATE)
585 		ret = jpeg_v5_0_1_stop(adev);
586 	else
587 		ret = jpeg_v5_0_1_start(adev);
588 
589 	if (!ret)
590 		adev->jpeg.cur_state = state;
591 
592 	return ret;
593 }
594 
595 static int jpeg_v5_0_1_set_interrupt_state(struct amdgpu_device *adev,
596 					   struct amdgpu_irq_src *source,
597 					   unsigned int type,
598 					   enum amdgpu_interrupt_state state)
599 {
600 	return 0;
601 }
602 
603 static int jpeg_v5_0_1_process_interrupt(struct amdgpu_device *adev,
604 					 struct amdgpu_irq_src *source,
605 					 struct amdgpu_iv_entry *entry)
606 {
607 	u32 i, inst;
608 
609 	i = node_id_to_phys_map[entry->node_id];
610 	DRM_DEV_DEBUG(adev->dev, "IH: JPEG TRAP\n");
611 
612 	for (inst = 0; inst < adev->jpeg.num_jpeg_inst; ++inst)
613 		if (adev->jpeg.inst[inst].aid_id == i)
614 			break;
615 
616 	if (inst >= adev->jpeg.num_jpeg_inst) {
617 		dev_WARN_ONCE(adev->dev, 1,
618 			      "Interrupt received for unknown JPEG instance %d",
619 			      entry->node_id);
620 		return 0;
621 	}
622 
623 	switch (entry->src_id) {
624 	case VCN_5_0__SRCID__JPEG_DECODE:
625 		amdgpu_fence_process(&adev->jpeg.inst[inst].ring_dec[0]);
626 		break;
627 	case VCN_5_0__SRCID__JPEG1_DECODE:
628 		amdgpu_fence_process(&adev->jpeg.inst[inst].ring_dec[1]);
629 		break;
630 	case VCN_5_0__SRCID__JPEG2_DECODE:
631 		amdgpu_fence_process(&adev->jpeg.inst[inst].ring_dec[2]);
632 		break;
633 	case VCN_5_0__SRCID__JPEG3_DECODE:
634 		amdgpu_fence_process(&adev->jpeg.inst[inst].ring_dec[3]);
635 		break;
636 	case VCN_5_0__SRCID__JPEG4_DECODE:
637 		amdgpu_fence_process(&adev->jpeg.inst[inst].ring_dec[4]);
638 		break;
639 	case VCN_5_0__SRCID__JPEG5_DECODE:
640 		amdgpu_fence_process(&adev->jpeg.inst[inst].ring_dec[5]);
641 		break;
642 	case VCN_5_0__SRCID__JPEG6_DECODE:
643 		amdgpu_fence_process(&adev->jpeg.inst[inst].ring_dec[6]);
644 		break;
645 	case VCN_5_0__SRCID__JPEG7_DECODE:
646 		amdgpu_fence_process(&adev->jpeg.inst[inst].ring_dec[7]);
647 		break;
648 	case VCN_5_0__SRCID__JPEG8_DECODE:
649 		amdgpu_fence_process(&adev->jpeg.inst[inst].ring_dec[8]);
650 		break;
651 	case VCN_5_0__SRCID__JPEG9_DECODE:
652 		amdgpu_fence_process(&adev->jpeg.inst[inst].ring_dec[9]);
653 		break;
654 	default:
655 		DRM_DEV_ERROR(adev->dev, "Unhandled interrupt: %d %d\n",
656 			      entry->src_id, entry->src_data[0]);
657 		break;
658 	}
659 
660 	return 0;
661 }
662 
663 static void jpeg_v5_0_1_core_stall_reset(struct amdgpu_ring *ring)
664 {
665 	struct amdgpu_device *adev = ring->adev;
666 	int jpeg_inst = GET_INST(JPEG, ring->me);
667 	int reg_offset = ring->pipe ? jpeg_v5_0_1_core_reg_offset(ring->pipe) : 0;
668 
669 	WREG32_SOC15_OFFSET(JPEG, jpeg_inst,
670 			    regUVD_JMI0_UVD_JMI_CLIENT_STALL,
671 			    reg_offset, 0x1F);
672 	SOC15_WAIT_ON_RREG(JPEG, jpeg_inst,
673 			   regUVD_JMI0_UVD_JMI_CLIENT_CLEAN_STATUS,
674 			   0x1F, 0x1F);
675 	WREG32_SOC15_OFFSET(JPEG, jpeg_inst,
676 			    regUVD_JMI0_JPEG_LMI_DROP,
677 			    reg_offset, 0x1F);
678 	WREG32_SOC15_OFFSET(JPEG, jpeg_inst,
679 			    regJPEG_CORE_RST_CTRL,
680 			    reg_offset, 1 << ring->pipe);
681 	WREG32_SOC15_OFFSET(JPEG, jpeg_inst,
682 			    regUVD_JMI0_UVD_JMI_CLIENT_STALL,
683 			    reg_offset, 0x00);
684 	WREG32_SOC15_OFFSET(JPEG, jpeg_inst,
685 			    regUVD_JMI0_JPEG_LMI_DROP,
686 			    reg_offset, 0x00);
687 	WREG32_SOC15_OFFSET(JPEG, jpeg_inst,
688 			    regJPEG_CORE_RST_CTRL,
689 			    reg_offset, 0x00);
690 }
691 
692 static int jpeg_v5_0_1_ring_reset(struct amdgpu_ring *ring, unsigned int vmid)
693 {
694 	if (amdgpu_sriov_vf(ring->adev))
695 		return -EOPNOTSUPP;
696 
697 	jpeg_v5_0_1_core_stall_reset(ring);
698 	jpeg_v5_0_1_init_jrbc(ring);
699 	return amdgpu_ring_test_helper(ring);
700 }
701 
702 static const struct amd_ip_funcs jpeg_v5_0_1_ip_funcs = {
703 	.name = "jpeg_v5_0_1",
704 	.early_init = jpeg_v5_0_1_early_init,
705 	.late_init = NULL,
706 	.sw_init = jpeg_v5_0_1_sw_init,
707 	.sw_fini = jpeg_v5_0_1_sw_fini,
708 	.hw_init = jpeg_v5_0_1_hw_init,
709 	.hw_fini = jpeg_v5_0_1_hw_fini,
710 	.suspend = jpeg_v5_0_1_suspend,
711 	.resume = jpeg_v5_0_1_resume,
712 	.is_idle = jpeg_v5_0_1_is_idle,
713 	.wait_for_idle = jpeg_v5_0_1_wait_for_idle,
714 	.check_soft_reset = NULL,
715 	.pre_soft_reset = NULL,
716 	.soft_reset = NULL,
717 	.post_soft_reset = NULL,
718 	.set_clockgating_state = jpeg_v5_0_1_set_clockgating_state,
719 	.set_powergating_state = jpeg_v5_0_1_set_powergating_state,
720 	.dump_ip_state = amdgpu_jpeg_dump_ip_state,
721 	.print_ip_state = amdgpu_jpeg_print_ip_state,
722 };
723 
724 static const struct amdgpu_ring_funcs jpeg_v5_0_1_dec_ring_vm_funcs = {
725 	.type = AMDGPU_RING_TYPE_VCN_JPEG,
726 	.align_mask = 0xf,
727 	.get_rptr = jpeg_v5_0_1_dec_ring_get_rptr,
728 	.get_wptr = jpeg_v5_0_1_dec_ring_get_wptr,
729 	.set_wptr = jpeg_v5_0_1_dec_ring_set_wptr,
730 	.emit_frame_size =
731 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
732 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
733 		8 + /* jpeg_v5_0_1_dec_ring_emit_vm_flush */
734 		22 + 22 + /* jpeg_v5_0_1_dec_ring_emit_fence x2 vm fence */
735 		8 + 16,
736 	.emit_ib_size = 22, /* jpeg_v5_0_1_dec_ring_emit_ib */
737 	.emit_ib = jpeg_v4_0_3_dec_ring_emit_ib,
738 	.emit_fence = jpeg_v4_0_3_dec_ring_emit_fence,
739 	.emit_vm_flush = jpeg_v4_0_3_dec_ring_emit_vm_flush,
740 	.test_ring = amdgpu_jpeg_dec_ring_test_ring,
741 	.test_ib = amdgpu_jpeg_dec_ring_test_ib,
742 	.insert_nop = jpeg_v4_0_3_dec_ring_nop,
743 	.insert_start = jpeg_v4_0_3_dec_ring_insert_start,
744 	.insert_end = jpeg_v4_0_3_dec_ring_insert_end,
745 	.pad_ib = amdgpu_ring_generic_pad_ib,
746 	.begin_use = amdgpu_jpeg_ring_begin_use,
747 	.end_use = amdgpu_jpeg_ring_end_use,
748 	.emit_wreg = jpeg_v4_0_3_dec_ring_emit_wreg,
749 	.emit_reg_wait = jpeg_v4_0_3_dec_ring_emit_reg_wait,
750 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
751 	.reset = jpeg_v5_0_1_ring_reset,
752 };
753 
754 static void jpeg_v5_0_1_set_dec_ring_funcs(struct amdgpu_device *adev)
755 {
756 	int i, j, jpeg_inst;
757 
758 	for (i = 0; i < adev->jpeg.num_jpeg_inst; ++i) {
759 		for (j = 0; j < adev->jpeg.num_jpeg_rings; ++j) {
760 			adev->jpeg.inst[i].ring_dec[j].funcs = &jpeg_v5_0_1_dec_ring_vm_funcs;
761 			adev->jpeg.inst[i].ring_dec[j].me = i;
762 			adev->jpeg.inst[i].ring_dec[j].pipe = j;
763 		}
764 		jpeg_inst = GET_INST(JPEG, i);
765 		adev->jpeg.inst[i].aid_id =
766 			jpeg_inst / adev->jpeg.num_inst_per_aid;
767 	}
768 }
769 
770 static const struct amdgpu_irq_src_funcs jpeg_v5_0_1_irq_funcs = {
771 	.set = jpeg_v5_0_1_set_interrupt_state,
772 	.process = jpeg_v5_0_1_process_interrupt,
773 };
774 
775 static void jpeg_v5_0_1_set_irq_funcs(struct amdgpu_device *adev)
776 {
777 	int i;
778 
779 	for (i = 0; i < adev->jpeg.num_jpeg_inst; ++i)
780 		adev->jpeg.inst->irq.num_types += adev->jpeg.num_jpeg_rings;
781 
782 	adev->jpeg.inst->irq.funcs = &jpeg_v5_0_1_irq_funcs;
783 }
784 
785 const struct amdgpu_ip_block_version jpeg_v5_0_1_ip_block = {
786 	.type = AMD_IP_BLOCK_TYPE_JPEG,
787 	.major = 5,
788 	.minor = 0,
789 	.rev = 1,
790 	.funcs = &jpeg_v5_0_1_ip_funcs,
791 };
792